15
Worked Example – Mechanical inlet/mechanical discharge (minimum combustion air flow rate):
Lochinvar MC361CE
Heat input (net):
= 95.1 kW
Minimum combustion air flow rate:
= 95.1 x 2.8 m
3
/h
= 266.28 m
3
/h
Difference between inlet and extract air
(maximum value):
= 95.1 x (2.07 + 0.18) m
3
/h
= 213.98 m
3
/h
Difference between inlet and extract air
(minimum value):
= 95.1 x (2.07 - 0.18) m
3
/h
= 179.74 m
3
/h
Extract air (maximum value):
= 266.28 m
3
/h – 179.74 m
3
/h
= 86.54 m
3
/h
Extract air (minimum value):
= 266.28 m
3
/h – 213.98 m
3
/h
= 52.30 m
3
/h
Worked Example – Mechanical inlet/mechanical discharge (alternate combustion air flow rate):
Lochinvar MC361CE
Heat input (net):
= 95.1 kW
Minimum combustion air flow rate:
= 95.1 x 2.8 m
3
/h
= 266.28 m
3
/h
Actual combustion air flow rate:
= 95.1 x 3.15 m
3
/h
= 299.57 m
3
/h
Difference between inlet and extract air:
(maximum value)
= 95.1 x (2.07 + 0.18) m
3
/h
= 213.98 m
3
/h
Difference between inlet and extract air:
(minimum value)
= 95.1 x (2.07 - 0.18) m
3
/h
= 179.74 m
3
/h
Extract air (maximum value):
= 299.57 m
3
/h – 179.74 m
3
/h
= 119.83 m
3
/h
Extract air (minimum value):
= 299.57 m
3
/h – 213.98 m
3
/h
= 85.59 m
3
/h
Summary of Contents for Mini Copper-Fin MCB136CE
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